There are more and more studies supporting the health benefits of fasting. Most people can fast for 24 - 72 hours with no problem. Fasting can bring our body to repair mode, not having to break down the food we eat regularly, use the stored, locked fats in our tissues.
The process called autophagy can then take place, where unneeded cells can be cleared away.
This helps to decrease inflammation in our bodies, a big commonly experienced issue in modern society.
Fasting can sound scary to some and raise many questions. If you are interested in fasting read more at https://www.gutgeek.com/quick-guide-fasting/
My fasting personal record (I felt it was needed for longer at the time) was 6 days. I cannot say it was easy, especially having to prepare daily meals for others, but it was so so worth it!